package cn.yunlang.zhangZhongFei.config.security;

import cn.yunlang.zhangZhongFei.util.filter.JwtAuthenticationTokenFilter;
import javax.annotation.Resource;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.security.web.access.AccessDeniedHandler;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;

@Configuration
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {

  @Resource private JwtAuthenticationTokenFilter jwtAuthenticationTokenFilter;
  @Resource private AuthenticationEntryPoint authenticationEntryPoint;
  @Resource private AccessDeniedHandler accessDeniedHandler;

  @Bean
  public PasswordEncoder passwordEncoder() {
    return new BCryptPasswordEncoder();
  }

  @Override
  protected void configure(HttpSecurity http) throws Exception {
    http
        // 关闭csrf
        .csrf()
        .disable()
        // 不通过Session获取SecurityContext
        .securityContext()
        .and()
        // .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS)
        // .and()
        .authorizeRequests()
        // 放行
        .anyRequest()
        .permitAll()
    //                .antMatchers(
    //                        "/doc.html",
    //                        "/v2/**",
    //                        "/swagger-resources/**",
    //                        "/webjars/**",
    //                        "/api/wechat/**",
    //                        "/systemConfig/**",
    //
    //                        "/banner/list"
    //                        )
    //                .permitAll()
    //                // 对于登录接口 允许匿名访问
    //                .antMatchers(
    //                        "/login/**")
    //                .anonymous()
    //                // 除上面外的所有请求全部需要鉴权认证
    //                .anyRequest().authenticated()
    ;
    http.addFilterBefore(jwtAuthenticationTokenFilter, UsernamePasswordAuthenticationFilter.class);
    http.exceptionHandling()
        .authenticationEntryPoint(authenticationEntryPoint)
        .accessDeniedHandler(accessDeniedHandler);
    http.cors();
  }

  @Bean
  @Override
  public AuthenticationManager authenticationManagerBean() throws Exception {
    return super.authenticationManagerBean();
  }
}
